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Status published
Unknown
CVE-2020-12812
An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0,...
Vulnerability Description
An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
Fortinet FortiOS
Vulnerable Versions:
FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below
Timeline
Official Publish:
July 24th, 2020
Last Modified:
October 21st, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.